SHARPAL is not only a great pocket knife sharpener, but also a useful survival tool. It has a V-groove with a coarse carbide abrasive and a fine ceramic groove that are suitable for both straight and serrated knives. The pre-set optimum angle ensures fast sharpening of even very dull or damaged blades. The medium grit conical diamond rod allows for sharpening serrations and gutting hooks, while the groove in it is designed for fishing hooks and sharpening tools. The tool also features a built-in lanyard hole, a ferromagnetic ignition rod, and a piercing emergency whistle, perfect for hunting, camping, and outdoor survival.